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26 // 26 //
27 // Geant4 header G4EmUtility 27 // Geant4 header G4EmUtility
28 // 28 //
29 // Author V.Ivanchenko 14.03.2022 29 // Author V.Ivanchenko 14.03.2022
30 // 30 //
31 // Utilities used at initialisation of EM phys 31 // Utilities used at initialisation of EM physics
32 // 32 //
33 33
34 #ifndef G4EmUtility_h 34 #ifndef G4EmUtility_h
35 #define G4EmUtility_h 1 35 #define G4EmUtility_h 1
36 36
37 #include <vector> 37 #include <vector>
38 #include "globals.hh" 38 #include "globals.hh"
39 #include "G4Region.hh" 39 #include "G4Region.hh"
40 #include "G4PhysicsTable.hh" 40 #include "G4PhysicsTable.hh"
41 #include "G4EmTableType.hh" 41 #include "G4EmTableType.hh"
42 #include "G4ParticleDefinition.hh" 42 #include "G4ParticleDefinition.hh"
43 #include "G4VDiscreteProcess.hh" 43 #include "G4VDiscreteProcess.hh"
44 #include "G4LossTableBuilder.hh" 44 #include "G4LossTableBuilder.hh"
45 #include "G4Material.hh" 45 #include "G4Material.hh"
46 #include "G4Element.hh" 46 #include "G4Element.hh"
47 #include "G4Isotope.hh" 47 #include "G4Isotope.hh"
48 #include "G4DataVector.hh" 48 #include "G4DataVector.hh"
49 #include "G4VEmModel.hh" 49 #include "G4VEmModel.hh"
50 50
51 class G4EmUtility 51 class G4EmUtility
52 { 52 {
53 public: 53 public:
54 54
55 // find G4Region pointer by name, by default 55 // find G4Region pointer by name, by default no verbosity
56 static const G4Region* FindRegion(const G4St 56 static const G4Region* FindRegion(const G4String& regionName,
57 const G4in 57 const G4int verbose = 0);
58 58
59 // sample random G4Element for the case if c 59 // sample random G4Element for the case if cross section is
60 // proportional to the number of electrons i 60 // proportional to the number of electrons in an atom
61 static const G4Element* SampleRandomElement( 61 static const G4Element* SampleRandomElement(const G4Material*);
62 62
63 // sample random G4Isotope 63 // sample random G4Isotope
64 static const G4Isotope* SampleRandomIsotope( 64 static const G4Isotope* SampleRandomIsotope(const G4Element*);
65 65
66 // find energy of cross section maximum for 66 // find energy of cross section maximum for all couples
67 static std::vector<G4double>* FindCrossSecti 67 static std::vector<G4double>* FindCrossSectionMax(G4PhysicsTable*);
68 static std::vector<G4double>* 68 static std::vector<G4double>*
69 FindCrossSectionMax(G4VDiscreteProcess*, con 69 FindCrossSectionMax(G4VDiscreteProcess*, const G4ParticleDefinition*);
70 70
71 // fill structure describing more than one p 71 // fill structure describing more than one peak in cross sections
72 static std::vector<G4TwoPeaksXS*>* 72 static std::vector<G4TwoPeaksXS*>*
73 FillPeaksStructure(G4PhysicsTable*, G4LossTa 73 FillPeaksStructure(G4PhysicsTable*, G4LossTableBuilder*);
74 74
75 // model initialisation 75 // model initialisation
76 static void InitialiseElementSelectors(G4VEm 76 static void InitialiseElementSelectors(G4VEmModel*,
77 const 77 const G4ParticleDefinition*,
78 const 78 const G4DataVector& cuts,
79 const 79 const G4double emin,
80 const 80 const G4double emax);
81 }; 81 };
82 82
83 #endif 83 #endif
84 84
85 85
86 86